Home / 67,011.14-100,493.22-19,613.18

Finding the Fourth Proportional to 67,011.14, 100,493.22 and 19,613.18

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Solution

The fourth proportional to 67,011.14, 100,493.22 and 19,613.18 is: 29,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.14 : 100,493.22 = 19,613.18 : x
  2. Step 2: Convert to fraction form
    67,011.14/100,493.22 = 19,613.18/x
  3. Step 3: Cross multiply
    67,011.14x = 100,493.22 × 19,613.18
  4. Step 4: Simplify right side
    67,011.14x = 1,970,991,612.64
  5. Step 5: Solve for x
    x = 1,970,991,612.64/67,011.14
  6. Step 6: Final answer
    x = 29,412.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.